The OptiVISOR® is the jeweler’s choice for reducing eyestrain at the bench, offering comfort as well as magnification with precision optics. This OptiVISOR includes one 3.5X (#10) lens plate, which shows a working distance (focal lenght) of 4”. Additional lens plates are available so that you can tailor the magnification to the task.
The interchangeable, lightweight glass lens plates are ground and polished to prismatic optical standards. An adjustable tension pivot keeps the visor in the desired position for optimal viewing at any angle.
The genuine leather band is comfortable to wear, and a self-locking dial at provides a good fit on any size head and over eyeglasses.
For best results, choose the lens the with the lowest power necessary to accomplish your task. This is because the greater the magnification you use, the shorter your focal length will be and the smaller your field of view will be. Choosing the minimal magnification ensures the best possible field of view and focal length as you work.